Face mask



FIG. 1 is a front plan view of a face mask in accordance with the present invention;

FIG. 2 is a rear plan view thereof;

FIG. 3 is a top elevation thereof;

FIG. 4 is a bottom elevation thereof; and,

FIG. 5 is a side view thereof; the right and left sides being mirror images of each other. 

CLAIM The ornamental design for a face mask, as shown and described herein. 